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Is it better to specify source files with GLOB or each file individually in CMake?
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You know what? Since writing this answer 6 year ago, I've changed my mind a bit and now prefer to explicitly list files. It's only real disadvantage is "it's a bit more work to add a file", but it saves you all sorts of headaches....
Rails - How to use a Helper Inside a Controller
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Note: This was written and accepted back in the Rails 2 days; nowadays grosser's answer is the way to go.
Option 1: Probably the simplest way is to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments...
vertical divider between two columns in bootstrap
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Well here's another option which I've been using for some time now. It works great for me since I mostly need it do visually separate 2 cols. And it's also responsive. Which means that if I have columns next to each other in medium and large screen sizes, then I would use the class col-m...
How to write a multidimensional array to a text file?
...8.00 199.00
# New slice
Reading it back in is very easy, as long as we know the shape of the original array. We can just do numpy.loadtxt('test.txt').reshape((4,5,10)). As an example (You can do this in one line, I'm just being verbose to clarify things):
# Read the array from disk
new_data = np...
Difference between validate(), revalidate() and invalidate() in Swing GUI
...ling its doLayout() method, which typically will invoke the LayoutManager. Now each child placed on this container will be validated recursively, so that the entire tree will be laid out and will become valid.
revalidate() : revalidate() is to be called when you change an attribute that would affec...
Application not picking up .css file (flask/python)
... "{{ url_for('static',filename='styles/mainpage.css') }}">
Flask will now look for the css file under static/styles/mainpage.css
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jQuery equivalent of JavaScript's addEventListener method
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As of jQuery 1.7, .on() is now the preferred method of binding events, rather than .bind():
From http://api.jquery.com/bind/:
As of jQuery 1.7, the .on() method is the preferred method for
attaching event handlers to a document. For earlier vers...
Linq Syntax - Selecting multiple columns
... you suggest how to properly write this expression: select new { (DateTime.Now - debt.ClaimDate), debt.Amount}; ? It throws an error: Invalid anonymous type member declarator
– Dainius Kreivys
Sep 19 '16 at 13:13
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How to return an empty ActiveRecord relation?
...and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Cannot ping AWS EC2 instance
...h Advanced Security
Select inbound rules
4) Done! Hopefully you should now be able to ping your server.
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